Source Code Cross Referenced for SLDCssParameterBinding.java in  » GIS » GeoTools-2.4.1 » org » geotools » sld » bindings » Java Source Code / Java DocumentationJava Source Code and Java Documentation

001:        /*
002:         *    GeoTools - OpenSource mapping toolkit
003:         *    http://geotools.org
004:         *    (C) 2002-2006, GeoTools Project Managment Committee (PMC)
005:         *
006:         *    This library is free software; you can redistribute it and/or
007:         *    modify it under the terms of the GNU Lesser General Public
008:         *    License as published by the Free Software Foundation;
009:         *    version 2.1 of the License.
010:         *
011:         *    This library is distributed in the hope that it will be useful,
012:         *    but WITHOUT ANY WARRANTY; without even the implied warranty of
013:         *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014:         *    Lesser General Public License for more details.
015:         */
016:        package org.geotools.sld.bindings;
017:
018:        import org.picocontainer.MutablePicoContainer;
019:        import org.w3c.dom.Document;
020:        import org.w3c.dom.Element;
021:        import java.util.Iterator;
022:        import javax.xml.namespace.QName;
023:        import org.geotools.filter.Expression;
024:        import org.geotools.filter.FilterFactory;
025:        import org.geotools.sld.CssParameter;
026:        import org.geotools.xml.*;
027:
028:        /**
029:         * Binding object for the element http://www.opengis.net/sld:CssParameter.
030:         *
031:         * <p>
032:         *        <pre>
033:         *         <code>
034:         *  &lt;xsd:element name="CssParameter"&gt;
035:         *      &lt;xsd:annotation&gt;
036:         *          &lt;xsd:documentation&gt;         A &quot;CssParameter&quot; refers to
037:         *              an SVG/CSS graphical-formatting         parameter.  The
038:         *              parameter is identified using the &quot;name&quot; attribute
039:         *              and the content of the element gives the SVG/CSS-coded
040:         *              value.       &lt;/xsd:documentation&gt;
041:         *      &lt;/xsd:annotation&gt;
042:         *      &lt;xsd:complexType mixed="true"&gt;
043:         *          &lt;xsd:complexContent mixed="true"&gt;
044:         *              &lt;xsd:extension base="sld:ParameterValueType"&gt;
045:         *                  &lt;xsd:attribute name="name" type="xsd:string" use="required"/&gt;
046:         *              &lt;/xsd:extension&gt;
047:         *          &lt;/xsd:complexContent&gt;
048:         *      &lt;/xsd:complexType&gt;
049:         *  &lt;/xsd:element&gt;
050:         *
051:         *          </code>
052:         *         </pre>
053:         * </p>
054:         *
055:         * @generated
056:         */
057:        public class SLDCssParameterBinding extends AbstractComplexBinding {
058:            FilterFactory filterFactory;
059:
060:            public SLDCssParameterBinding(FilterFactory filterFactory) {
061:                this .filterFactory = filterFactory;
062:            }
063:
064:            /**
065:             * @generated
066:             */
067:            public QName getTarget() {
068:                return SLD.CSSPARAMETER;
069:            }
070:
071:            /**
072:             * <!-- begin-user-doc -->
073:             * <!-- end-user-doc -->
074:             *
075:             * @generated modifiable
076:             */
077:            public int getExecutionMode() {
078:                return AFTER;
079:            }
080:
081:            /**
082:             * <!-- begin-user-doc -->
083:             * <!-- end-user-doc -->
084:             *
085:             * @generated modifiable
086:             */
087:            public Class getType() {
088:                return CssParameter.class;
089:            }
090:
091:            /**
092:             * <!-- begin-user-doc -->
093:             * <!-- end-user-doc -->
094:             *
095:             * @generated modifiable
096:             */
097:            public void initialize(ElementInstance instance, Node node,
098:                    MutablePicoContainer context) {
099:            }
100:
101:            /**
102:             * <!-- begin-user-doc -->
103:             * <!-- end-user-doc -->
104:             *
105:             * @generated modifiable
106:             */
107:            public Object parse(ElementInstance instance, Node node,
108:                    Object value) throws Exception {
109:                CssParameter parameter = new CssParameter((String) node
110:                        .getAttributeValue("name"));
111:
112:                for (Iterator itr = node.getChildren().iterator(); itr
113:                        .hasNext();) {
114:                    Node child = (Node) itr.next();
115:
116:                    if (child.getValue() instanceof  Expression) {
117:                        parameter.getExpressions().add(child.getValue());
118:                    }
119:                }
120:
121:                String text = instance.getText();
122:
123:                if ((text != null) && !"".equals(text)) {
124:                    Expression exp = filterFactory
125:                            .createLiteralExpression(text);
126:
127:                    if (exp != null) {
128:                        parameter.getExpressions().add(exp);
129:                    }
130:                }
131:
132:                return parameter;
133:            }
134:        }